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<head><meta charset="utf-8"><title>weekly meeting 2018-09-13 · t-compiler · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/index.html">t-compiler</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html">weekly meeting 2018-09-13</a></h3>

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<a name="133886161"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886161" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886161">(Sep 13 2018 at 13:58)</a>:</h4>
<p>FYI <span class="user-group-mention" data-user-group-id="492">@T-compiler</span> this is where this week's meeting will be held (in approximately 3 minutes)</p>



<a name="133886219"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886219" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886219">(Sep 13 2018 at 13:58)</a>:</h4>
<p>o/</p>



<a name="133886227"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886227" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886227">(Sep 13 2018 at 13:58)</a>:</h4>
<p>/me gladly closes discord tab</p>



<a name="133886383"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886383" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> mw <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886383">(Sep 13 2018 at 14:01)</a>:</h4>
<p>o/</p>



<a name="133886386"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886386" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886386">(Sep 13 2018 at 14:01)</a>:</h4>
<p>okay so lets get started</p>



<a name="133886398"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886398" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886398">(Sep 13 2018 at 14:01)</a>:</h4>
<p>/me is dreading getting to the P-high bugs assigned to him</p>



<a name="133886405"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886405" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886405">(Sep 13 2018 at 14:01)</a>:</h4>
<p>P-high: <a href="http://is.gd/0ohWmp" target="_blank" title="http://is.gd/0ohWmp">http://is.gd/0ohWmp</a></p>



<a name="133886431"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886431" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886431">(Sep 13 2018 at 14:01)</a>:</h4>
<p>first up, unstable <code>alloc</code> crate can be used without feature gates on the 2018 edition <a href="https://github.com/rust-lang/rust/issues/54006" target="_blank" title="https://github.com/rust-lang/rust/issues/54006">#54006</a></p>



<a name="133886513"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886513" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886513">(Sep 13 2018 at 14:02)</a>:</h4>
<p>oh dear</p>



<a name="133886553"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886553" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886553">(Sep 13 2018 at 14:03)</a>:</h4>
<p>well it may be misleading</p>



<a name="133886568"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886568" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886568">(Sep 13 2018 at 14:03)</a>:</h4>
<p>... or at leasts, the bug is in that we <em>allow</em> you to reference <code>vec</code> via <code>use alloc::vec</code></p>



<a name="133886571"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886571" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886571">(Sep 13 2018 at 14:03)</a>:</h4>
<p>yes, I read it now</p>



<a name="133886579"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886579" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886579">(Sep 13 2018 at 14:03)</a>:</h4>
<p>I left a comment</p>



<a name="133886582"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886582" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886582">(Sep 13 2018 at 14:03)</a>:</h4>
<p>regardless, seems like <span class="user-mention" data-user-id="119009">@eddyb</span> is on it</p>



<a name="133886629"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886629" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886629">(Sep 13 2018 at 14:04)</a>:</h4>
<p>So lets assign to <span class="user-mention" data-user-id="119009">@eddyb</span> and move on then?</p>



<a name="133886663"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886663" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886663">(Sep 13 2018 at 14:04)</a>:</h4>
<p>Next up: Macro resolution regression when a #[test] is named 'panic' <a href="https://github.com/rust-lang/rust/issues/53675" target="_blank" title="https://github.com/rust-lang/rust/issues/53675">#53675</a></p>



<a name="133886694"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886694" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886694">(Sep 13 2018 at 14:05)</a>:</h4>
<p>hmm</p>



<a name="133886705"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886705" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886705">(Sep 13 2018 at 14:05)</a>:</h4>
<p>on the one hand, <span class="user-mention" data-user-id="123856">@Vadim Petrochenkov</span> remains the right person to investigate this</p>



<a name="133886776"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886776" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886776">(Sep 13 2018 at 14:06)</a>:</h4>
<p>yes, but it's unclear how much time they have etc</p>



<a name="133886783"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886783" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886783">(Sep 13 2018 at 14:06)</a>:</h4>
<p>The comment about "this issue is kinda known" makes me wonder if we are supposed to revisit the priority here?</p>



<a name="133886835"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886835" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886835">(Sep 13 2018 at 14:07)</a>:</h4>
<p>though I don't interpret that link to that commit as implying that this is "known bug" ..</p>



<a name="133886843"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886843" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886843">(Sep 13 2018 at 14:07)</a>:</h4>
<p>("unknown knowns")</p>



<a name="133886937"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886937" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886937">(Sep 13 2018 at 14:08)</a>:</h4>
<p>I guess I think this remains important</p>



<a name="133886938"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886938" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886938">(Sep 13 2018 at 14:08)</a>:</h4>
<p>Do we consider trying to open this up to other volunteers to resolve?</p>



<a name="133886979"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886979" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886979">(Sep 13 2018 at 14:09)</a>:</h4>
<p>well I don't want to block the meeting on it</p>



<a name="133886991"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886991" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886991">(Sep 13 2018 at 14:09)</a>:</h4>
<p>maybe? it seems like somebody should try to investigate, but we ought to ping <span class="user-mention" data-user-id="123856">@Vadim Petrochenkov</span>  also to see if they have any further thouthts</p>



<a name="133886995"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133886995" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133886995">(Sep 13 2018 at 14:09)</a>:</h4>
<p>I'm going to assign it to myself in the hopes that I then remember to either look at it or delegate it</p>



<a name="133887070"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887070" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887070">(Sep 13 2018 at 14:10)</a>:</h4>
<p>heh I was gonna say the same</p>



<a name="133887076"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887076" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887076">(Sep 13 2018 at 14:10)</a>:</h4>
<p>well, we can talk later</p>



<a name="133887079"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887079" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887079">(Sep 13 2018 at 14:10)</a>:</h4>
<p>I'd like to read more into resolve code</p>



<a name="133887106"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887106" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887106">(Sep 13 2018 at 14:10)</a>:</h4>
<p>next issue?</p>



<a name="133887107"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887107" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887107">(Sep 13 2018 at 14:10)</a>:</h4>
<p>Next: Tracking issue for RFC 2093: Infer <code>T: 'x</code> outlives requirements on structs <a href="https://github.com/rust-lang/rust/issues/44493" target="_blank" title="https://github.com/rust-lang/rust/issues/44493">#44493</a></p>



<a name="133887112"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887112" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887112">(Sep 13 2018 at 14:10)</a>:</h4>
<p><a href="https://github.com/rust-lang/rust/pull/53793" target="_blank" title="https://github.com/rust-lang/rust/pull/53793">stabilization PR</a> landed</p>



<a name="133887115"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887115" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887115">(Sep 13 2018 at 14:10)</a>:</h4>
<p>I guess we can close that issue</p>



<a name="133887145"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887145" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887145">(Sep 13 2018 at 14:11)</a>:</h4>
<p>or at least remove the P-high label</p>



<a name="133887158"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887158" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887158">(Sep 13 2018 at 14:11)</a>:</h4>
<p>ok, closed, seems fine</p>



<a name="133887161"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887161" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Zack M. Davis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887161">(Sep 13 2018 at 14:11)</a>:</h4>
<p>and the corresponding lint has just now been rebased: <a href="https://github.com/rust-lang/rust/pull/53013" target="_blank" title="https://github.com/rust-lang/rust/pull/53013">https://github.com/rust-lang/rust/pull/53013</a></p>



<a name="133887162"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887162" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887162">(Sep 13 2018 at 14:11)</a>:</h4>
<p>oh well</p>



<a name="133887173"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887173" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887173">(Sep 13 2018 at 14:11)</a>:</h4>
<p>I was just going to mention the lint</p>



<a name="133887175"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887175" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887175">(Sep 13 2018 at 14:11)</a>:</h4>
<p>not all the checkboxes (in description) were checked off</p>



<a name="133887180"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887180" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887180">(Sep 13 2018 at 14:12)</a>:</h4>
<p>but I assume that was just an  oversight?</p>



<a name="133887240"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887240" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887240">(Sep 13 2018 at 14:12)</a>:</h4>
<p>I think we should just open a new issue for the lint</p>



<a name="133887241"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887241" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887241">(Sep 13 2018 at 14:12)</a>:</h4>
<p>if it doesn't exist</p>



<a name="133887249"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887249" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887249">(Sep 13 2018 at 14:12)</a>:</h4>
<p>(not sure though: do we have a separate issue for the <code>'static</code> case?)</p>



<a name="133887250"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887250" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887250">(Sep 13 2018 at 14:12)</a>:</h4>
<p>anyway i'll figure it out</p>



<a name="133887258"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887258" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887258">(Sep 13 2018 at 14:13)</a>:</h4>
<p>Okay then, that's all the P-highs. (yay)</p>



<a name="133887264"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887264" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Zack M. Davis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887264">(Sep 13 2018 at 14:13)</a>:</h4>
<p>lint issue is <a href="https://github.com/rust-lang/rust/issues/52042" target="_blank" title="https://github.com/rust-lang/rust/issues/52042">https://github.com/rust-lang/rust/issues/52042</a></p>



<a name="133887276"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887276" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887276">(Sep 13 2018 at 14:13)</a>:</h4>
<p>next stable-to-beta regressions: <a href="https://github.com/rust-lang/rust/labels/regression-from-stable-to-beta" target="_blank" title="https://github.com/rust-lang/rust/labels/regression-from-stable-to-beta">https://github.com/rust-lang/rust/labels/regression-from-stable-to-beta</a></p>



<a name="133887305"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887305" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887305">(Sep 13 2018 at 14:13)</a>:</h4>
<p>oh yes, Recent 12% perf regression in unused-warnings <a href="https://github.com/rust-lang/rust/issues/52092" target="_blank" title="https://github.com/rust-lang/rust/issues/52092">#52092</a></p>



<a name="133887371"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887371" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887371">(Sep 13 2018 at 14:14)</a>:</h4>
<p>didn't we decide not to touch that?</p>



<a name="133887374"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887374" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887374">(Sep 13 2018 at 14:14)</a>:</h4>
<p>I guess this is still downgraded</p>



<a name="133887392"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887392" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887392">(Sep 13 2018 at 14:14)</a>:</h4>
<p>yes, but we shouldn't remove the regression label, should we?</p>



<a name="133887407"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887407" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887407">(Sep 13 2018 at 14:14)</a>:</h4>
<p>Maybe in future I should skip the P-medium and P-low regressinos</p>



<a name="133887409"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887409" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887409">(Sep 13 2018 at 14:14)</a>:</h4>
<p>will do</p>



<a name="133887445"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887445" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887445">(Sep 13 2018 at 14:15)</a>:</h4>
<p>okay so then next up, stable-to-nightly regressions: <a href="https://github.com/rust-lang/rust/labels/regression-from-stable-to-nightly" target="_blank" title="https://github.com/rust-lang/rust/labels/regression-from-stable-to-nightly">https://github.com/rust-lang/rust/labels/regression-from-stable-to-nightly</a></p>



<a name="133887473"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887473" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887473">(Sep 13 2018 at 14:15)</a>:</h4>
<p>first up is ICE compiling the objrs crate <a href="https://github.com/rust-lang/rust/issues/54059" target="_blank" title="https://github.com/rust-lang/rust/issues/54059">#54059</a></p>



<a name="133887538"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887538" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887538">(Sep 13 2018 at 14:16)</a>:</h4>
<p>I assume <span class="user-mention" data-user-id="126804">@Ariel Ben-Yehuda</span> is not here</p>



<a name="133887542"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887542" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887542">(Sep 13 2018 at 14:16)</a>:</h4>
<blockquote>
<p>Maybe in future I should skip the P-medium and P-low regressinos</p>
</blockquote>
<p>that's what I usually do, yeah</p>



<a name="133887606"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887606" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887606">(Sep 13 2018 at 14:17)</a>:</h4>
<p>Okay I will assign this to self to followup with <span class="user-mention" data-user-id="126804">@Ariel Ben-Yehuda</span> if possible, or look into if need be</p>



<a name="133887633"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887633" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887633">(Sep 13 2018 at 14:17)</a>:</h4>
<p>seems like P-high</p>



<a name="133887637"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887637" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887637">(Sep 13 2018 at 14:17)</a>:</h4>
<p>Oh yeah, priority</p>



<a name="133887646"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887646" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887646">(Sep 13 2018 at 14:17)</a>:</h4>
<p>another possibility might be <span class="user-mention" data-user-id="124287">@mw</span></p>



<a name="133887647"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887647" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887647">(Sep 13 2018 at 14:17)</a>:</h4>
<p>(to follow up)</p>



<a name="133887657"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887657" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887657">(Sep 13 2018 at 14:18)</a>:</h4>
<p>not sure how much time you have, <span class="user-mention" data-user-id="124287">@mw</span> ?</p>



<a name="133887695"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887695" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> mw <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887695">(Sep 13 2018 at 14:18)</a>:</h4>
<p>yes, you can assign to me</p>



<a name="133887704"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887704" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887704">(Sep 13 2018 at 14:18)</a>:</h4>
<p>I'll remove the needs-bisection tag</p>



<a name="133887706"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887706" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887706">(Sep 13 2018 at 14:18)</a>:</h4>
<p>okay reassigning to mw</p>



<a name="133887724"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887724" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887724">(Sep 13 2018 at 14:18)</a>:</h4>
<p>okay next up</p>



<a name="133887736"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887736" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887736">(Sep 13 2018 at 14:18)</a>:</h4>
<p>we already discussed <a href="https://github.com/rust-lang/rust/issues/53675" target="_blank" title="https://github.com/rust-lang/rust/issues/53675">#53675</a></p>



<a name="133887765"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887765" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887765">(Sep 13 2018 at 14:18)</a>:</h4>
<p>so last is "rustc incorrectly parses attributes as macro invocations in nightly-2018-08-18 <a href="https://github.com/rust-lang/rust/issues/53583" target="_blank" title="https://github.com/rust-lang/rust/issues/53583">#53583</a>"</p>



<a name="133887788"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887788" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887788">(Sep 13 2018 at 14:19)</a>:</h4>
<p><span class="user-mention" data-user-id="123856">@Vadim Petrochenkov</span> says it is fixed by PR <a href="https://github.com/rust-lang/rust/issues/54069" target="_blank" title="https://github.com/rust-lang/rust/issues/54069">#54069</a></p>



<a name="133887797"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887797" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887797">(Sep 13 2018 at 14:19)</a>:</h4>
<p>which is seeking T-lang review</p>



<a name="133887805"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887805" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887805">(Sep 13 2018 at 14:19)</a>:</h4>
<p>okay well in any case this seems under control</p>



<a name="133887812"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887812" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887812">(Sep 13 2018 at 14:19)</a>:</h4>
<p>going to mark as P-high though</p>



<a name="133887824"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887824" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887824">(Sep 13 2018 at 14:19)</a>:</h4>
<p>sounds good</p>



<a name="133887914"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887914" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887914">(Sep 13 2018 at 14:20)</a>:</h4>
<p>that's all the regressions</p>



<a name="133887935"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887935" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887935">(Sep 13 2018 at 14:20)</a>:</h4>
<p>look at that, we're only 20minutes into the mtg, yay</p>



<a name="133887954"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887954" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887954">(Sep 13 2018 at 14:21)</a>:</h4>
<p>okay next up, BetaNominated: <a href="https://github.com/rust-lang/rust/issues?utf8=%E2%9C%93&amp;q=label%3Abeta-nominated" target="_blank" title="https://github.com/rust-lang/rust/issues?utf8=%E2%9C%93&amp;q=label%3Abeta-nominated">https://github.com/rust-lang/rust/issues?utf8=%E2%9C%93&amp;q=label%3Abeta-nominated</a></p>



<a name="133887980"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887980" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887980">(Sep 13 2018 at 14:21)</a>:</h4>
<p>so.. argh</p>



<a name="133887991"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887991" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887991">(Sep 13 2018 at 14:21)</a>:</h4>
<p>only one PR, and it hasn't landed in master yet</p>



<a name="133887997"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133887997" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133887997">(Sep 13 2018 at 14:21)</a>:</h4>
<p>I did some investigating here but faile to make much progress</p>



<a name="133888000"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888000" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888000">(Sep 13 2018 at 14:21)</a>:</h4>
<p>(I want to propose thumbs-up for "yay, backport" and thumbs down for "nah, reasons")</p>



<a name="133888003"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888003" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888003">(Sep 13 2018 at 14:21)</a>:</h4>
<p>the PR didn't really <em>fix</em> the regression in any case</p>



<a name="133888059"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888059" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888059">(Sep 13 2018 at 14:22)</a>:</h4>
<p>so we're talking about [WIP] Fix evaluation overflow <a href="https://github.com/rust-lang/rust/issues/53687" target="_blank" title="https://github.com/rust-lang/rust/issues/53687">#53687</a></p>



<a name="133888076"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888076" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888076">(Sep 13 2018 at 14:22)</a>:</h4>
<blockquote>
<p>(I want to propose thumbs-up for "yay, backport" and thumbs down for "nah, reasons")</p>
</blockquote>
<p>(makes sense in general)</p>



<a name="133888097"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888097" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888097">(Sep 13 2018 at 14:22)</a>:</h4>
<p>the relevant bug is "ICE when running <code>cargo doc</code> on <code>typenum</code> at <code>librustc/traits/structural_impls.rs:178</code> <a href="https://github.com/rust-lang/rust/issues/52873" target="_blank" title="https://github.com/rust-lang/rust/issues/52873">#52873</a>"</p>



<a name="133888110"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888110" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888110">(Sep 13 2018 at 14:23)</a>:</h4>
<p>it converts the ICE into a (probably incorrect?) error</p>



<a name="133888125"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888125" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888125">(Sep 13 2018 at 14:23)</a>:</h4>
<p>but it's still kind of unclear to me what is going on</p>



<a name="133888128"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888128" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888128">(Sep 13 2018 at 14:23)</a>:</h4>
<p>I should read more closely into it</p>



<a name="133888142"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888142" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888142">(Sep 13 2018 at 14:23)</a>:</h4>
<p>"incorrect" as in, we should have accepted the code?</p>



<a name="133888146"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888146" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888146">(Sep 13 2018 at 14:23)</a>:</h4>
<p>point is, I'm not really happy yet about landing this PR period, much less backporting it :)</p>



<a name="133888150"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888150" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888150">(Sep 13 2018 at 14:23)</a>:</h4>
<p>well, we <em>do</em> accept the code, rustdoc just doesn't</p>



<a name="133888151"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888151" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888151">(Sep 13 2018 at 14:23)</a>:</h4>
<p>or "incorrect" as in, "this is misleading as to what the error is"</p>



<a name="133888167"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888167" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888167">(Sep 13 2018 at 14:23)</a>:</h4>
<p>hmm</p>



<a name="133888174"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888174" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888174">(Sep 13 2018 at 14:24)</a>:</h4>
<p>well maybe lets just remove the beta-nomination tag</p>



<a name="133888227"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888227" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888227">(Sep 13 2018 at 14:24)</a>:</h4>
<p>but the other point is: if I am so grumpy, I need to dedicate time to fixing it</p>



<a name="133888239"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888239" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888239">(Sep 13 2018 at 14:24)</a>:</h4>
<p>seems ok, but maybe also mark the issue P-high and assign to me, I think</p>



<a name="133888240"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888240" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888240">(Sep 13 2018 at 14:24)</a>:</h4>
<p>I can do that</p>



<a name="133888242"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888242" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888242">(Sep 13 2018 at 14:24)</a>:</h4>
<p>since it sounds very unlikely that we're going to approve this PR unless it undergoes serious reviision?</p>



<a name="133888379"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888379" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888379">(Sep 13 2018 at 14:26)</a>:</h4>
<p>okay that's all the beta-nominations</p>



<a name="133888382"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888382" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888382">(Sep 13 2018 at 14:26)</a>:</h4>
<p>ok, I also marked original issue T-compiler, P-high and assigned to me</p>



<a name="133888400"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888400" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888400">(Sep 13 2018 at 14:26)</a>:</h4>
<p>next, PR's waiting on our team: <a href="https://github.com/rust-lang/rust/pulls?q=is%3Aopen+is%3Apr+label%3AS-waiting-on-team+label%3AT-compiler" target="_blank" title="https://github.com/rust-lang/rust/pulls?q=is%3Aopen+is%3Apr+label%3AS-waiting-on-team+label%3AT-compiler">https://github.com/rust-lang/rust/pulls?q=is%3Aopen+is%3Apr+label%3AS-waiting-on-team+label%3AT-compiler</a></p>



<a name="133888413"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888413" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888413">(Sep 13 2018 at 14:26)</a>:</h4>
<p>ah fun this is relevant to <em>me</em></p>



<a name="133888438"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888438" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888438">(Sep 13 2018 at 14:27)</a>:</h4>
<p><a href="https://github.com/rust-lang/rust/issues/54139" target="_blank" title="https://github.com/rust-lang/rust/issues/54139">#54139</a></p>



<a name="133888452"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888452" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888452">(Sep 13 2018 at 14:27)</a>:</h4>
<p>"this" being ... yes, " [WIP] migrate more of src/test/run-pass to src/test/ui/run-pass <a href="https://github.com/rust-lang/rust/issues/54139" target="_blank" title="https://github.com/rust-lang/rust/issues/54139">#54139</a> "</p>



<a name="133888476"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888476" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888476">(Sep 13 2018 at 14:27)</a>:</h4>
<p>but really the actual thing to discuss might be "Implement some way to run UI tests ignoring run-pass tests <a href="https://github.com/rust-lang/rust/issues/54047" target="_blank" title="https://github.com/rust-lang/rust/issues/54047">#54047</a>"</p>



<a name="133888478"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888478" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888478">(Sep 13 2018 at 14:27)</a>:</h4>
<p>so let me give the background here</p>



<a name="133888532"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888532" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888532">(Sep 13 2018 at 14:28)</a>:</h4>
<p>For NLL, we realized that while we were testing all sorts of diagnostics</p>



<a name="133888549"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888549" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888549">(Sep 13 2018 at 14:28)</a>:</h4>
<p>we were failing to check that all the run-pass tests would continue to run-pass under NLL</p>



<a name="133888553"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888553" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888553">(Sep 13 2018 at 14:28)</a>:</h4>
<p>(which was filed as "NLL: need to run the <code>run-pass</code> tests under compare-mode=nll <a href="https://github.com/rust-lang/rust/issues/53764" target="_blank" title="https://github.com/rust-lang/rust/issues/53764">#53764</a>")</p>



<a name="133888567"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888567" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888567">(Sep 13 2018 at 14:28)</a>:</h4>
<p><a href="https://github.com/rust-lang/rust/issues/53764" target="_blank" title="https://github.com/rust-lang/rust/issues/53764">#53764</a> proposed various ways to attack</p>



<a name="133888580"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888580" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888580">(Sep 13 2018 at 14:29)</a>:</h4>
<p>what functional differences NLL can introduce into the code for run-pass to matter here?</p>



<a name="133888600"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888600" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888600">(Sep 13 2018 at 14:29)</a>:</h4>
<p>it can reject your code incorrectly</p>



<a name="133888611"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888611" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888611">(Sep 13 2018 at 14:29)</a>:</h4>
<p>and also it currently changes the match code gen</p>



<a name="133888621"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888621" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888621">(Sep 13 2018 at 14:29)</a>:</h4>
<p>(fwiw, I also think it's good for us to check the warnings and things generated by run-pass tests)</p>



<a name="133888625"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888625" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888625">(Sep 13 2018 at 14:29)</a>:</h4>
<p>(independently from NLL)</p>



<a name="133888627"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888627" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888627">(Sep 13 2018 at 14:29)</a>:</h4>
<p>(which perhaps should not be made conditional on NLL)</p>



<a name="133888634"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888634" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888634">(Sep 13 2018 at 14:29)</a>:</h4>
<p>((the match codegen changes))</p>



<a name="133888640"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888640" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888640">(Sep 13 2018 at 14:29)</a>:</h4>
<p>Anyway</p>



<a name="133888700"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888700" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888700">(Sep 13 2018 at 14:30)</a>:</h4>
<p>okay, rejecting the code seems hardly important, but it changing the match codegen is <span class="emoji emoji-1f642" title="slight smile">:slight_smile:</span></p>



<a name="133888701"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888701" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888701">(Sep 13 2018 at 14:30)</a>:</h4>
<p>I singlehandledly decided to resolve <a href="https://github.com/rust-lang/rust/issues/53764" target="_blank" title="https://github.com/rust-lang/rust/issues/53764">#53764</a> by porting run-pass into <code>ui/</code></p>



<a name="133888724"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888724" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888724">(Sep 13 2018 at 14:30)</a>:</h4>
<p>and <span class="user-mention" data-user-id="123856">@Vadim Petrochenkov</span> pointed out that this is a UX regression for them and other developers</p>



<a name="133888748"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888748" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888748">(Sep 13 2018 at 14:30)</a>:</h4>
<p>(in terms of rustc hacking UX)</p>



<a name="133888763"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888763" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888763">(Sep 13 2018 at 14:31)</a>:</h4>
<p>so, I agree with that statement, and just want help deciding how to resolve</p>



<a name="133888781"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888781" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888781">(Sep 13 2018 at 14:31)</a>:</h4>
<blockquote>
<p>and <span class="user-mention" data-user-id="123856">@Vadim Petrochenkov</span> pointed out that this is a UX regression for them and other developers</p>
</blockquote>
<p>say a bit more?</p>



<a name="133888782"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888782" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888782">(Sep 13 2018 at 14:31)</a>:</h4>
<p>So I wrote this comment <a href="https://github.com/rust-lang/rust/issues/54047#issuecomment-420562280" target="_blank" title="https://github.com/rust-lang/rust/issues/54047#issuecomment-420562280">https://github.com/rust-lang/rust/issues/54047#issuecomment-420562280</a></p>



<a name="133888788"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888788" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888788">(Sep 13 2018 at 14:31)</a>:</h4>
<p>or maybe I should read</p>



<a name="133888791"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888791" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888791">(Sep 13 2018 at 14:31)</a>:</h4>
<p>oh, the UX regression is jus that</p>



<a name="133888802"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888802" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888802">(Sep 13 2018 at 14:31)</a>:</h4>
<p>when they do <code>x.py test ui</code> or whatever it is</p>



<a name="133888808"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888808" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888808">(Sep 13 2018 at 14:31)</a>:</h4>
<p>it takes longer to run the tests basically?</p>



<a name="133888812"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888812" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888812">(Sep 13 2018 at 14:31)</a>:</h4>
<p>they don't want to waste time on the run-pass tests</p>



<a name="133888860"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888860" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888860">(Sep 13 2018 at 14:32)</a>:</h4>
<p>yes I think the time regression was the main issue</p>



<a name="133888862"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888862" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888862">(Sep 13 2018 at 14:32)</a>:</h4>
<p>ok</p>



<a name="133888870"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888870" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888870">(Sep 13 2018 at 14:32)</a>:</h4>
<p>there are also some run-pass tests that fail on stage1 for .. some reason</p>



<a name="133888872"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888872" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888872">(Sep 13 2018 at 14:32)</a>:</h4>
<p>that I don't really understand</p>



<a name="133888876"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888876" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888876">(Sep 13 2018 at 14:32)</a>:</h4>
<p>and haven't investigated</p>



<a name="133888878"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888878" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888878">(Sep 13 2018 at 14:32)</a>:</h4>
<p>so I proposed four alternative approaches here: <a href="https://github.com/rust-lang/rust/issues/54047#issuecomment-420562280" target="_blank" title="https://github.com/rust-lang/rust/issues/54047#issuecomment-420562280">https://github.com/rust-lang/rust/issues/54047#issuecomment-420562280</a></p>



<a name="133888880"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888880" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888880">(Sep 13 2018 at 14:32)</a>:</h4>
<p>but that is annoying</p>



<a name="133888888"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888888" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888888">(Sep 13 2018 at 14:32)</a>:</h4>
<p>for me half of the test suite consistently fails all the time since time immemorial</p>



<a name="133888891"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888891" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888891">(Sep 13 2018 at 14:32)</a>:</h4>
<p>labelled (1a), (1b), (2a), (2b)</p>



<a name="133888904"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888904" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888904">(Sep 13 2018 at 14:32)</a>:</h4>
<p>so maybe its best if you all go read that comment quickly</p>



<a name="133888908"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888908" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888908">(Sep 13 2018 at 14:33)</a>:</h4>
<p>or maybe better still</p>



<a name="133888914"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888914" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888914">(Sep 13 2018 at 14:33)</a>:</h4>
<p>hmm</p>



<a name="133888916"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888916" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888916">(Sep 13 2018 at 14:33)</a>:</h4>
<p>just weigh in on the ticket, async?</p>



<a name="133888926"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888926" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888926">(Sep 13 2018 at 14:33)</a>:</h4>
<p>yeah, will do, I'm torn :)</p>



<a name="133888929"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888929" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888929">(Sep 13 2018 at 14:33)</a>:</h4>
<p>basically I want to know what I shoud try to do next</p>



<a name="133888936"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888936" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888936">(Sep 13 2018 at 14:33)</a>:</h4>
<p>so I just learnt to ignore those. I feel that UX is already not ideal</p>



<a name="133888940"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888940" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888940">(Sep 13 2018 at 14:33)</a>:</h4>
<p>I'm willing to do the implementatino legwork</p>



<a name="133888953"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133888953" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133888953">(Sep 13 2018 at 14:33)</a>:</h4>
<p>but I don't want to waste time implementing somethign that people will tehn reject</p>



<a name="133889011"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889011" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889011">(Sep 13 2018 at 14:34)</a>:</h4>
<p>I did realize that one approach we could use</p>



<a name="133889017"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889017" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889017">(Sep 13 2018 at 14:34)</a>:</h4>
<p>is to reinterpret the <code>--mode</code> argument to <code>compiletest</code></p>



<a name="133889028"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889028" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889028">(Sep 13 2018 at 14:34)</a>:</h4>
<p><span class="user-mention" data-user-id="116083">@pnkfelix</span> it is not clear to me yet, why do we run run-pass tests as part of <code>x.py test ui</code> <em>now</em>?</p>



<a name="133889041"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889041" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889041">(Sep 13 2018 at 14:34)</a>:</h4>
<p>because they were moved into <code>ui/run-pass/</code></p>



<a name="133889055"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889055" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889055">(Sep 13 2018 at 14:35)</a>:</h4>
<p><code>src/test/run-pass/</code> is nearly empty</p>



<a name="133889060"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889060" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889060">(Sep 13 2018 at 14:35)</a>:</h4>
<p>especially after PR <a href="https://github.com/rust-lang/rust/issues/54139" target="_blank" title="https://github.com/rust-lang/rust/issues/54139">#54139</a></p>



<a name="133889064"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889064" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889064">(Sep 13 2018 at 14:35)</a>:</h4>
<p>okay, so how about we make <code>src/test/run-pass</code> use the <code>ui</code> infrastructure</p>



<a name="133889067"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889067" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889067">(Sep 13 2018 at 14:35)</a>:</h4>
<p>instead</p>



<a name="133889077"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889077" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889077">(Sep 13 2018 at 14:35)</a>:</h4>
<p>then it would not break the usecase of x.py test src/test/ui</p>



<a name="133889078"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889078" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889078">(Sep 13 2018 at 14:35)</a>:</h4>
<p>well</p>



<a name="133889088"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889088" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889088">(Sep 13 2018 at 14:35)</a>:</h4>
<p>one reason is that some tests can't currently use <code>ui/</code></p>



<a name="133889091"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889091" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889091">(Sep 13 2018 at 14:35)</a>:</h4>
<p>or at least, it wasn't reasonable for me to port some of them</p>



<a name="133889096"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889096" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889096">(Sep 13 2018 at 14:35)</a>:</h4>
<p>We could make a <code>run-pass-ui</code></p>



<a name="133889097"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889097" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889097">(Sep 13 2018 at 14:35)</a>:</h4>
<p>mv src/test/run-pass src/test/extra-special-run-pass-tests/</p>



<a name="133889137"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889137" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889137">(Sep 13 2018 at 14:36)</a>:</h4>
<p>or yeah, the other way around</p>



<a name="133889149"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889149" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889149">(Sep 13 2018 at 14:36)</a>:</h4>
<p>I don't mind moving around the remaining <code>run-pass</code> tests to somewhere lese</p>



<a name="133889157"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889157" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889157">(Sep 13 2018 at 14:36)</a>:</h4>
<p>would doing so resolve Petrochenkov’s concerns?</p>



<a name="133889163"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889163" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889163">(Sep 13 2018 at 14:36)</a>:</h4>
<p>like <code>run-pass-fulldeps</code></p>



<a name="133889167"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889167" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889167">(Sep 13 2018 at 14:36)</a>:</h4>
<p>I bet it would</p>



<a name="133889176"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889176" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889176">(Sep 13 2018 at 14:36)</a>:</h4>
<p>The other issue here, thought</p>



<a name="133889190"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889190" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889190">(Sep 13 2018 at 14:37)</a>:</h4>
<p>is that longer term, I think <span class="user-mention" data-user-id="116009">@nikomatsakis</span> wants a feature-oriented layout to all of our tests</p>



<a name="133889220"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889220" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889220">(Sep 13 2018 at 14:37)</a>:</h4>
<p>or at least that was claimed by <span class="user-mention" data-user-id="123856">@Vadim Petrochenkov</span> here: <a href="https://github.com/rust-lang/rust/issues/54047#issuecomment-420588732" target="_blank" title="https://github.com/rust-lang/rust/issues/54047#issuecomment-420588732">https://github.com/rust-lang/rust/issues/54047#issuecomment-420588732</a></p>



<a name="133889222"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889222" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889222">(Sep 13 2018 at 14:37)</a>:</h4>
<p>I left a comment</p>



<a name="133889234"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889234" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889234">(Sep 13 2018 at 14:37)</a>:</h4>
<p>but indeed I think that <code>src/test/run-pass</code> (by whatever name) is suboptimal</p>



<a name="133889275"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889275" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889275">(Sep 13 2018 at 14:38)</a>:</h4>
<p>I'd prefer to have the tests grouped by what they test</p>



<a name="133889290"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889290" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889290">(Sep 13 2018 at 14:38)</a>:</h4>
<p>and if you want to filter by "we expect UI output", then have a way to do that</p>



<a name="133889291"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889291" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889291">(Sep 13 2018 at 14:38)</a>:</h4>
<p>moving to that scheme would break <code>x.py test ui</code> anyway</p>



<a name="133889297"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889297" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889297">(Sep 13 2018 at 14:38)</a>:</h4>
<p>okay well I think the approach suggested by <span class="user-mention" data-user-id="123586">@nagisa</span> may be best in the short term.</p>



<a name="133889309"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889309" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889309">(Sep 13 2018 at 14:38)</a>:</h4>
<blockquote>
<p>moving to that scheme would break <code>x.py test ui</code> anyway</p>
</blockquote>
<p>what scheme do you mean?</p>



<a name="133889311"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889311" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889311">(Sep 13 2018 at 14:38)</a>:</h4>
<p>so might as well just go with whatever is a path of least resistance now</p>



<a name="133889322"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889322" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889322">(Sep 13 2018 at 14:38)</a>:</h4>
<p>I also don't want to waste a ton of time</p>



<a name="133889324"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889324" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889324">(Sep 13 2018 at 14:38)</a>:</h4>
<p>it will still mean I'll have to do a little more work (to make a <code>--compare-mode=nll</code> analogue that applies to the new <code>ui</code>-type <code>run-pass/</code>)</p>



<a name="133889328"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889328" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889328">(Sep 13 2018 at 14:39)</a>:</h4>
<p>I wouldn't object to run-pass-ui per se as a temporary thing</p>



<a name="133889329"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889329" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889329">(Sep 13 2018 at 14:39)</a>:</h4>
<blockquote>
<blockquote>
<p>moving to that scheme would break <code>x.py test ui</code> anyway</p>
</blockquote>
<p>what scheme do you mean?</p>
</blockquote>
<p>the per-feature scheme. You would have to specify whatever else than <code>ui</code> in your cmd.</p>



<a name="133889343"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889343" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889343">(Sep 13 2018 at 14:39)</a>:</h4>
<p>well, it'd be subdirectories of <code>ui</code>?</p>



<a name="133889348"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889348" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889348">(Sep 13 2018 at 14:39)</a>:</h4>
<p>I mean it would basically just be "tests"</p>



<a name="133889356"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889356" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889356">(Sep 13 2018 at 14:39)</a>:</h4>
<p>we clearly need a <a href="https://en.wikipedia.org/wiki/Semantic_file_system" target="_blank" title="https://en.wikipedia.org/wiki/Semantic_file_system">semantic FS</a></p>



<a name="133889357"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889357" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889357">(Sep 13 2018 at 14:39)</a>:</h4>
<p>because there is no need for anything that is not <code>ui</code></p>



<a name="133889364"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889364" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889364">(Sep 13 2018 at 14:39)</a>:</h4>
<p>(ok, I'm ignoring all the other random tests, like gdb or whatever)</p>



<a name="133889370"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889370" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889370">(Sep 13 2018 at 14:39)</a>:</h4>
<p>maybe rename <code>ui</code> to <code>rs</code> :)</p>



<a name="133889372"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889372" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889372">(Sep 13 2018 at 14:39)</a>:</h4>
<p>those tests should be moved to <code>ui</code> tests</p>



<a name="133889378"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889378" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889378">(Sep 13 2018 at 14:39)</a>:</h4>
<p>and just drop the <code>ui</code> directory prefix</p>



<a name="133889425"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889425" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889425">(Sep 13 2018 at 14:40)</a>:</h4>
<p>I think fewer "modes" of tests is good</p>



<a name="133889436"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889436" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889436">(Sep 13 2018 at 14:40)</a>:</h4>
<p>in short</p>



<a name="133889439"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889439" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889439">(Sep 13 2018 at 14:40)</a>:</h4>
<p><span class="user-mention" data-user-id="116009">@nikomatsakis</span> having a hierarchcal structure is hard, because if you wanted to run <em>nll</em> tests specifically, you wouldn’t be able to run all nll tests from all suites (compile-fail/ui/etc).</p>



<a name="133889440"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889440" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889440">(Sep 13 2018 at 14:40)</a>:</h4>
<p>MIR tests? UI. debugger tests? UI. codegen tests? UI</p>



<a name="133889442"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889442" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889442">(Sep 13 2018 at 14:40)</a>:</h4>
<p>or rather, move the modes into comments</p>



<a name="133889445"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889445" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> qmx <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889445">(Sep 13 2018 at 14:40)</a>:</h4>
<p>this definitely was one of the pain points while being onboarded on the compiler</p>



<a name="133889451"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889451" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889451">(Sep 13 2018 at 14:40)</a>:</h4>
<p>in restrospect, "UI" is misleading. these are output tests. which all tests are, really</p>



<a name="133889456"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889456" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889456">(Sep 13 2018 at 14:40)</a>:</h4>
<p><span class="user-mention" data-user-id="123586">@nagisa</span> yes, there is no perfect hierarchy, I've been thinking about <code>// keywords</code> in the tests as well</p>



<a name="133889462"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889462" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889462">(Sep 13 2018 at 14:40)</a>:</h4>
<p>so wait</p>



<a name="133889463"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889463" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889463">(Sep 13 2018 at 14:40)</a>:</h4>
<p>there's two things here</p>



<a name="133889466"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889466" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889466">(Sep 13 2018 at 14:40)</a>:</h4>
<p>there's the short term Q</p>



<a name="133889471"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889471" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889471">(Sep 13 2018 at 14:40)</a>:</h4>
<p>+1 for getting rid of the "ui" distinction and moving  modes to comments</p>



<a name="133889472"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889472" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889472">(Sep 13 2018 at 14:40)</a>:</h4>
<p>of what should <span class="user-mention" data-user-id="116083">@pnkfelix</span> do right now</p>



<a name="133889474"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889474" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889474">(Sep 13 2018 at 14:40)</a>:</h4>
<p>and the longer term Q</p>



<a name="133889482"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889482" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889482">(Sep 13 2018 at 14:41)</a>:</h4>
<p>yep, we should separate :)</p>



<a name="133889483"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889483" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889483">(Sep 13 2018 at 14:41)</a>:</h4>
<p>of how we want to structure our test suite</p>



<a name="133889487"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889487" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889487">(Sep 13 2018 at 14:41)</a>:</h4>
<p>with longer-term replacing all the modes with a more unified system</p>



<a name="133889494"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889494" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889494">(Sep 13 2018 at 14:41)</a>:</h4>
<p>I want to make sure we get through other nominated stuff</p>



<a name="133889495"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889495" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889495">(Sep 13 2018 at 14:41)</a>:</h4>
<p><span class="user-mention" data-user-id="116083">@pnkfelix</span> I thought we already figured out the short term <span class="emoji emoji-1f642" title="slight smile">:slight_smile:</span></p>



<a name="133889499"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889499" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889499">(Sep 13 2018 at 14:41)</a>:</h4>
<p>before we discuss longer term Q</p>



<a name="133889512"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889512" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889512">(Sep 13 2018 at 14:41)</a>:</h4>
<p>yeah lets move on then.</p>



<a name="133889517"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889517" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889517">(Sep 13 2018 at 14:41)</a>:</h4>
<p>okay, good good</p>



<a name="133889533"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889533" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889533">(Sep 13 2018 at 14:41)</a>:</h4>
<p>that was the one PR waiting on our team. (And I will close it.)</p>



<a name="133889633"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889633" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889633">(Sep 13 2018 at 14:43)</a>:</h4>
<p>okay, I-nominated: <a href="https://github.com/rust-lang/rust/issues?utf8=%E2%9C%93&amp;q=is%3Aopen%20label%3AT-compiler%20label%3AI-nominated%20" target="_blank" title="https://github.com/rust-lang/rust/issues?utf8=%E2%9C%93&amp;q=is%3Aopen%20label%3AT-compiler%20label%3AI-nominated%20">https://github.com/rust-lang/rust/issues?utf8=%E2%9C%93&amp;q=is%3Aopen%20label%3AT-compiler%20label%3AI-nominated%20</a></p>



<a name="133889654"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889654" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889654">(Sep 13 2018 at 14:43)</a>:</h4>
<p>we just discussed "Implement some way to run UI tests ignoring run-pass tests <a href="https://github.com/rust-lang/rust/issues/54047" target="_blank" title="https://github.com/rust-lang/rust/issues/54047">#54047</a>"</p>



<a name="133889656"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889656" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889656">(Sep 13 2018 at 14:43)</a>:</h4>
<p>but we shoud put a priority on it.</p>



<a name="133889664"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889664" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889664">(Sep 13 2018 at 14:43)</a>:</h4>
<p>I'll just make it P-high</p>



<a name="133889680"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889680" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889680">(Sep 13 2018 at 14:43)</a>:</h4>
<p>(where the plan is for me to move <code>ui/run-pass/</code> back to <code>src/test/run-pass/</code>, after I make the latter a <code>ui</code>-suite variant.)</p>



<a name="133889710"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889710" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889710">(Sep 13 2018 at 14:44)</a>:</h4>
<p>any objections to P-high?</p>



<a name="133889741"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889741" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889741">(Sep 13 2018 at 14:44)</a>:</h4>
<p>(strategy itself can be discussed on the ticket, asynchronously</p>



<a name="133889771"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889771" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889771">(Sep 13 2018 at 14:44)</a>:</h4>
<p><span class="user-mention" data-user-id="116083">@pnkfelix</span> did we completely migrate <em>all</em> run-pass tests?</p>



<a name="133889775"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889775" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889775">(Sep 13 2018 at 14:45)</a>:</h4>
<p>No, not 100%</p>



<a name="133889778"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889778" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889778">(Sep 13 2018 at 14:45)</a>:</h4>
<p>but most</p>



<a name="133889791"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889791" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889791">(Sep 13 2018 at 14:45)</a>:</h4>
<p>or rather</p>



<a name="133889799"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889799" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889799">(Sep 13 2018 at 14:45)</a>:</h4>
<p>there was a PR that got us to like 99.9%</p>



<a name="133889802"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889802" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889802">(Sep 13 2018 at 14:45)</a>:</h4>
<p>ok</p>



<a name="133889817"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889817" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889817">(Sep 13 2018 at 14:45)</a>:</h4>
<p>I am fine with making a <code>ui-run-pass</code> directory or whatever</p>



<a name="133889819"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889819" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889819">(Sep 13 2018 at 14:45)</a>:</h4>
<p>so its an unfortunate bit of churn</p>



<a name="133889825"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889825" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889825">(Sep 13 2018 at 14:45)</a>:</h4>
<p>or just <code>run-pass</code>, but in that case I'd prefer to kill the distinct <code>run-pass</code> mode</p>



<a name="133889827"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889827" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889827">(Sep 13 2018 at 14:45)</a>:</h4>
<p>moving back and forth and all-around</p>



<a name="133889845"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889845" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889845">(Sep 13 2018 at 14:45)</a>:</h4>
<p>(I still prefer to leverage <code>--test-args</code> for this)</p>



<a name="133889846"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889846" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889846">(Sep 13 2018 at 14:45)</a>:</h4>
<p>and it might be easier</p>



<a name="133889886"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889886" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889886">(Sep 13 2018 at 14:46)</a>:</h4>
<p>anyway sorry</p>



<a name="133889887"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889887" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889887">(Sep 13 2018 at 14:46)</a>:</h4>
<p>okay lets discuss outside of meeting</p>



<a name="133889890"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889890" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889890">(Sep 13 2018 at 14:46)</a>:</h4>
<p><code>--test-args</code> should not be a thing IMO</p>



<a name="133889892"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889892" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889892">(Sep 13 2018 at 14:46)</a>:</h4>
<p>I know we said we settled :)</p>



<a name="133889913"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889913" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889913">(Sep 13 2018 at 14:46)</a>:</h4>
<p><code>x.py</code> should integrate better with <code>compiletest</code></p>



<a name="133889918"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889918" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889918">(Sep 13 2018 at 14:46)</a>:</h4>
<p>oh strategy can be revised, just don't want to spend time on it now</p>



<a name="133889920"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889920" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889920">(Sep 13 2018 at 14:46)</a>:</h4>
<p>orthogonal!</p>



<a name="133889922"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889922" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889922">(Sep 13 2018 at 14:46)</a>:</h4>
<p>and allow passing subdirectories/exact file names</p>



<a name="133889925"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889925" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889925">(Sep 13 2018 at 14:46)</a>:</h4>
<p>but I agree :)</p>



<a name="133889939"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889939" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889939">(Sep 13 2018 at 14:46)</a>:</h4>
<p>next up:  Regression in #[allow(deprecated)] for <code>impl Trait</code> return type <a href="https://github.com/rust-lang/rust/issues/54045" target="_blank" title="https://github.com/rust-lang/rust/issues/54045">#54045</a></p>



<a name="133889963"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889963" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889963">(Sep 13 2018 at 14:47)</a>:</h4>
<p>egad</p>



<a name="133889967"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133889967" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133889967">(Sep 13 2018 at 14:47)</a>:</h4>
<p>P-high?</p>



<a name="133890050"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890050" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890050">(Sep 13 2018 at 14:48)</a>:</h4>
<p>I think so</p>



<a name="133890051"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890051" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890051">(Sep 13 2018 at 14:48)</a>:</h4>
<p>Seems P-high to me</p>



<a name="133890053"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890053" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890053">(Sep 13 2018 at 14:48)</a>:</h4>
<p>don't know whom to give it to</p>



<a name="133890057"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890057" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890057">(Sep 13 2018 at 14:48)</a>:</h4>
<p>not clear whether <span class="user-mention" data-user-id="124288">@Oli</span> and <span class="user-mention" data-user-id="119009">@eddyb</span> agreed on what to do</p>



<a name="133890063"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890063" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890063">(Sep 13 2018 at 14:48)</a>:</h4>
<p>(also, I think <span class="user-mention" data-user-id="124288">@Oli</span> is not around just now)</p>



<a name="133890069"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890069" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890069">(Sep 13 2018 at 14:49)</a>:</h4>
<p>uhhh</p>



<a name="133890080"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890080" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890080">(Sep 13 2018 at 14:49)</a>:</h4>
<p>I'm going to assign it to both <span class="user-mention" data-user-id="124288">@Oli</span> and <span class="user-mention" data-user-id="119009">@eddyb</span></p>



<a name="133890085"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890085" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890085">(Sep 13 2018 at 14:49)</a>:</h4>
<p>and let them fight</p>



<a name="133890094"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890094" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890094">(Sep 13 2018 at 14:49)</a>:</h4>
<p>AFAIK <span class="user-mention" data-user-id="124288">@Oli</span> is gonna be gone for a while now.</p>



<a name="133890095"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890095" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890095">(Sep 13 2018 at 14:49)</a>:</h4>
<p>I basically think the "clean" approach oli <em>moved to</em> causes too many problems</p>



<a name="133890105"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890105" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890105">(Sep 13 2018 at 14:49)</a>:</h4>
<p>that is, it's overall better to keep the synthetic <code>existential type</code> nested in the HIR</p>



<a name="133890162"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890162" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890162">(Sep 13 2018 at 14:50)</a>:</h4>
<p>(which it was before <code>existential type</code> had a surface syntax)</p>



<a name="133890177"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890177" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890177">(Sep 13 2018 at 14:50)</a>:</h4>
<p>they should not be siblings, you mean</p>



<a name="133890183"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890183" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890183">(Sep 13 2018 at 14:50)</a>:</h4>
<p>probably</p>



<a name="133890190"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890190" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890190">(Sep 13 2018 at 14:50)</a>:</h4>
<p><span class="user-mention" data-user-id="124288">@Oli</span> keeps mentioning siblings vs inside the body</p>



<a name="133890193"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890193" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890193">(Sep 13 2018 at 14:50)</a>:</h4>
<p>maybe we can discuss in a separate topic, I'm curious exactly what you have in mind</p>



<a name="133890205"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890205" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890205">(Sep 13 2018 at 14:50)</a>:</h4>
<p>whereas I prefer the <code>hir::Ty</code> node being the parent of the <code>existential type</code> item</p>



<a name="133890206"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890206" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890206">(Sep 13 2018 at 14:51)</a>:</h4>
<p>yeah, let s move on, we're so close!</p>



<a name="133890222"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890222" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890222">(Sep 13 2018 at 14:51)</a>:</h4>
<p>next:  ICE in libserialize with incremental build across changed rustc version <a href="https://github.com/rust-lang/rust/issues/53792" target="_blank" title="https://github.com/rust-lang/rust/issues/53792">#53792</a></p>



<a name="133890239"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890239" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890239">(Sep 13 2018 at 14:51)</a>:</h4>
<p>man I feel like I keep seeing issues with incremental builds</p>



<a name="133890244"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890244" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890244">(Sep 13 2018 at 14:51)</a>:</h4>
<p>I know I've given up using it in some contexts</p>



<a name="133890292"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890292" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890292">(Sep 13 2018 at 14:52)</a>:</h4>
<p>hmm</p>



<a name="133890305"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890305" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890305">(Sep 13 2018 at 14:52)</a>:</h4>
<p>I feel like we tried to make incremental robust against this case, right <span class="user-mention" data-user-id="124287">@mw</span> ?</p>



<a name="133890306"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890306" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890306">(Sep 13 2018 at 14:52)</a>:</h4>
<p>however</p>



<a name="133890308"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890308" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> mw <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890308">(Sep 13 2018 at 14:52)</a>:</h4>
<p>well, incr. comp. is pervading the whole compiler, of course you will keep seeing issues related to it :)</p>



<a name="133890309"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890309" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890309">(Sep 13 2018 at 14:52)</a>:</h4>
<p>we might be relying a bit on cargo for that, not sure</p>



<a name="133890313"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890313" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890313">(Sep 13 2018 at 14:52)</a>:</h4>
<p>anyway, seems P-high. And assign to <span class="user-mention" data-user-id="124287">@mw</span> ?</p>



<a name="133890318"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890318" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890318">(Sep 13 2018 at 14:52)</a>:</h4>
<p>(I use it all the time. Lovin' it.)</p>



<a name="133890325"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890325" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Zack M. Davis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890325">(Sep 13 2018 at 14:52)</a>:</h4>
<p>If libserialize itself is at fault, maybe we should be moving to Serde? (given deprecation anyway: <a href="https://github.com/rust-lang-deprecated/rustc-serialize#rustc-serialize" target="_blank" title="https://github.com/rust-lang-deprecated/rustc-serialize#rustc-serialize">https://github.com/rust-lang-deprecated/rustc-serialize#rustc-serialize</a>)</p>



<a name="133890331"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890331" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> mw <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890331">(Sep 13 2018 at 14:52)</a>:</h4>
<p>i think, rustc is using the git hash and if that doesn't properly change, it fails</p>



<a name="133890339"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890339" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890339">(Sep 13 2018 at 14:53)</a>:</h4>
<p>/me goes to deal with real life, thanks all</p>



<a name="133890343"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890343" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890343">(Sep 13 2018 at 14:53)</a>:</h4>
<p>I just know I see various linker errors that seem to go away when I turn it off</p>



<a name="133890349"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890349" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> mw <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890349">(Sep 13 2018 at 14:53)</a>:</h4>
<p>libserialize is not the problem</p>



<a name="133890358"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890358" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890358">(Sep 13 2018 at 14:53)</a>:</h4>
<p>serde is not doable today</p>



<a name="133890366"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890366" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890366">(Sep 13 2018 at 14:53)</a>:</h4>
<p>and won't be for another release cycle or two</p>



<a name="133890374"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890374" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> mw <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890374">(Sep 13 2018 at 14:53)</a>:</h4>
<p><span class="user-mention" data-user-id="116083">@pnkfelix</span> did you open issues about those?</p>



<a name="133890391"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890391" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890391">(Sep 13 2018 at 14:53)</a>:</h4>
<p>I've opened issues</p>



<a name="133890392"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890392" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> mw <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890392">(Sep 13 2018 at 14:53)</a>:</h4>
<p>you can assign this issue to me</p>



<a name="133890439"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890439" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890439">(Sep 13 2018 at 14:54)</a>:</h4>
<p>but I haven't necessarily tagged them as incremental related</p>



<a name="133890448"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890448" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890448">(Sep 13 2018 at 14:54)</a>:</h4>
<p>I'm guessing <span class="user-mention" data-user-id="127859">@Taylor Cramer</span> could help you reproduce if needed</p>



<a name="133890450"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890450" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> mw <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890450">(Sep 13 2018 at 14:54)</a>:</h4>
<p>I'll take a look if the check can be made more conservative</p>



<a name="133890453"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890453" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890453">(Sep 13 2018 at 14:54)</a>:</h4>
<p>becasued usually by the time I've done a rebuild with incremetnal turned off</p>



<a name="133890456"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890456" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890456">(Sep 13 2018 at 14:54)</a>:</h4>
<p>I'm trying to get something else done</p>



<a name="133890467"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890467" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890467">(Sep 13 2018 at 14:54)</a>:</h4>
<p>(basically we can't use custom derives until <a href="https://github.com/rust-lang/rust/pull/49219" target="_blank" title="https://github.com/rust-lang/rust/pull/49219">https://github.com/rust-lang/rust/pull/49219</a> reaches beta <em>at least</em>, and the edition makes finishing that PR harder)</p>



<a name="133890504"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890504" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890504">(Sep 13 2018 at 14:55)</a>:</h4>
<p>okay well i assigned the incremental issue to <span class="user-mention" data-user-id="124287">@mw</span></p>



<a name="133890505"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890505" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890505">(Sep 13 2018 at 14:55)</a>:</h4>
<p>so lets move on</p>



<a name="133890529"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890529" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890529">(Sep 13 2018 at 14:55)</a>:</h4>
<p>next is: Mistaken "dropped here while still borrowed" with impl trait + match <a href="https://github.com/rust-lang/rust/issues/52706" target="_blank" title="https://github.com/rust-lang/rust/issues/52706">#52706</a></p>



<a name="133890535"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890535" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890535">(Sep 13 2018 at 14:55)</a>:</h4>
<p>I didn't get a chance to look at this yet</p>



<a name="133890599"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890599" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890599">(Sep 13 2018 at 14:56)</a>:</h4>
<p>that's just <code>impl Trait</code></p>



<a name="133890613"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890613" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890613">(Sep 13 2018 at 14:56)</a>:</h4>
<p>same as the issue you closed (other than there not being a good way to say it has no destructor)</p>



<a name="133890636"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890636" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Taylor Cramer <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890636">(Sep 13 2018 at 14:56)</a>:</h4>
<p><span class="user-mention" data-user-id="124287">@mw</span> feel free to ping me later if you need help reproducing</p>



<a name="133890657"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890657" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890657">(Sep 13 2018 at 14:56)</a>:</h4>
<p><span class="user-mention" data-user-id="119009">@eddyb</span> but in this case adding that other statement fixes it?</p>



<a name="133890670"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890670" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> mw <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890670">(Sep 13 2018 at 14:56)</a>:</h4>
<p><span class="user-mention" data-user-id="127859">@Taylor Cramer</span> thanks!</p>



<a name="133890671"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890671" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890671">(Sep 13 2018 at 14:56)</a>:</h4>
<p>you think that's still a destructor issue?</p>



<a name="133890693"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890693" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890693">(Sep 13 2018 at 14:57)</a>:</h4>
<p>yes, it's a scope thing</p>



<a name="133890695"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890695" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890695">(Sep 13 2018 at 14:57)</a>:</h4>
<p><em>any</em> statement would work, I think?</p>



<a name="133890703"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890703" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890703">(Sep 13 2018 at 14:57)</a>:</h4>
<p>or just a semicolon, maybe</p>



<a name="133890717"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890717" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890717">(Sep 13 2018 at 14:57)</a>:</h4>
<p>yeah semicolon fixes it</p>



<a name="133890725"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890725" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890725">(Sep 13 2018 at 14:57)</a>:</h4>
<p>man I hate that</p>



<a name="133890726"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890726" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890726">(Sep 13 2018 at 14:57)</a>:</h4>
<p>yeah okay so then I'd categorize it as one of those annoying cases where adding a semicolon does the magic</p>



<a name="133890733"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890733" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890733">(Sep 13 2018 at 14:58)</a>:</h4>
<p>we have an issue for that somewhere</p>



<a name="133890769"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890769" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890769">(Sep 13 2018 at 14:58)</a>:</h4>
<p>we should really see if we can fix that scope issue</p>



<a name="133890773"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890773" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890773">(Sep 13 2018 at 14:58)</a>:</h4>
<p>yeah, I know</p>



<a name="133890781"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890781" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890781">(Sep 13 2018 at 14:58)</a>:</h4>
<p>because the compiler thinks <code>impl Abc + 'a</code> can have a destructor, it's the good ol' "destructory things in block tail expression"</p>



<a name="133890784"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890784" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890784">(Sep 13 2018 at 14:58)</a>:</h4>
<p>e.g. "fallout from Sound Generic Drop to be addressed later <a href="https://github.com/rust-lang/rust/issues/22321" target="_blank" title="https://github.com/rust-lang/rust/issues/22321">#22321</a>"</p>



<a name="133890793"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890793" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890793">(Sep 13 2018 at 14:58)</a>:</h4>
<p>yuuup</p>



<a name="133890798"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890798" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890798">(Sep 13 2018 at 14:58)</a>:</h4>
<p>or maybe "Temporary lifetimes sometimes yield surprising errors <a href="https://github.com/rust-lang/rust/issues/46413" target="_blank" title="https://github.com/rust-lang/rust/issues/46413">#46413</a>"</p>



<a name="133890801"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890801" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890801">(Sep 13 2018 at 14:58)</a>:</h4>
<p>but I agree with <span class="user-mention" data-user-id="119009">@eddyb</span>'s diagnosis, sounds right</p>



<a name="133890809"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890809" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890809">(Sep 13 2018 at 14:58)</a>:</h4>
<p>okay</p>



<a name="133890813"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890813" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890813">(Sep 13 2018 at 14:58)</a>:</h4>
<p>I'll write up some notes on the bug</p>



<a name="133890822"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890822" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890822">(Sep 13 2018 at 14:59)</a>:</h4>
<p>link it accordingly</p>



<a name="133890826"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890826" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890826">(Sep 13 2018 at 14:59)</a>:</h4>
<p>and then close it</p>



<a name="133890832"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890832" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890832">(Sep 13 2018 at 14:59)</a>:</h4>
<p>sound good to everyone?</p>



<a name="133890839"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890839" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890839">(Sep 13 2018 at 14:59)</a>:</h4>
<p>(alternatively I could leave it open but set to P-low)</p>



<a name="133890850"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890850" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890850">(Sep 13 2018 at 14:59)</a>:</h4>
<p>(but I think we've been just closing instances of things like this...)</p>



<a name="133890862"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890862" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890862">(Sep 13 2018 at 15:00)</a>:</h4>
<p>okay okay one last bug nominated, : "infinite recursion ICE <a href="https://github.com/rust-lang/rust/issues/52701" target="_blank" title="https://github.com/rust-lang/rust/issues/52701">#52701</a>"</p>



<a name="133890900"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890900" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890900">(Sep 13 2018 at 15:00)</a>:</h4>
<p>we can do this! (as in, get through the whole list in a meeting...)</p>



<a name="133890916"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890916" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890916">(Sep 13 2018 at 15:00)</a>:</h4>
<p>so close ...</p>



<a name="133890928"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890928" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890928">(Sep 13 2018 at 15:00)</a>:</h4>
<blockquote>
<p>(but I think we've been just closing instances of things like this...)</p>
</blockquote>
<p>I think we should pick a tracking issue and then close duplicates, but add links to the tracking issue</p>



<a name="133890943"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890943" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890943">(Sep 13 2018 at 15:00)</a>:</h4>
<p>I'm not seeing an ICE</p>



<a name="133890945"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890945" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890945">(Sep 13 2018 at 15:00)</a>:</h4>
<p>I was just going to say the same</p>



<a name="133890959"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890959" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Wesley Wiser <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890959">(Sep 13 2018 at 15:01)</a>:</h4>
<p>It's hidden in the backtrace</p>



<a name="133890971"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890971" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> eddyb <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890971">(Sep 13 2018 at 15:01)</a>:</h4>
<p>found it too</p>



<a name="133890982"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890982" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890982">(Sep 13 2018 at 15:01)</a>:</h4>
<p><a href="https://github.com/rust-lang/rust/issues/52701#issuecomment-409996172" target="_blank" title="https://github.com/rust-lang/rust/issues/52701#issuecomment-409996172">this version</a> seems to ICE as well</p>



<a name="133890991"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133890991" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133890991">(Sep 13 2018 at 15:01)</a>:</h4>
<p>you can assign to me <span class="user-mention" data-user-id="116083">@pnkfelix</span>, perhaps</p>



<a name="133891034"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133891034" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133891034">(Sep 13 2018 at 15:02)</a>:</h4>
<p>the ICE seems related to the query normalization stuff</p>



<a name="133891037"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133891037" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133891037">(Sep 13 2018 at 15:02)</a>:</h4>
<p>maybe even related to that rustdoc failure</p>



<a name="133891040"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133891040" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133891040">(Sep 13 2018 at 15:02)</a>:</h4>
<p>okay. What priority, P-high ?</p>



<a name="133891042"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133891042" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133891042">(Sep 13 2018 at 15:02)</a>:</h4>
<p>I guess</p>



<a name="133891072"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202018-09-13/near/133891072" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202018-09-13.html#133891072">(Sep 13 2018 at 15:03)</a>:</h4>
<p>okay great, that's a wrap everyone</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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